Business Green: UK business leaders were today urged to undertake an assessment of the risks posed by the so-called peak oil phenomenon and join in efforts to lobby the government to take the threat more seriously, following the publication yesterday warning global oil supplies could peak within five years. The report from the newly-formed Peak Oil Group — a coalition of eight UK firms including Scottish and Southern Energy, Solarcentury, and transport giants, FirstGroup, Stagecoach and Virgin — …